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Report - Morlais (Miler Tunnel), Merthyr Tydfil - January 2018


28DL Regular User
Regular User
Having visited many times over the years but always with copious amounts of mist, no matter the time of year, we found ourselves using the Miler as a shortcut to the Quarrymans Arms in Pant over the past couple of months after days spent looking for something that is turning out to be rarer than rocking horse shite. Usually the same misty story until one day a couple of weeks ago...


The London & North Western Railway opened its connection to the Brecon & Merthyr in 1879, having become joint owners of the latter four years earlier.

Immediately south of Morlais Junction, the line plunged into a 1,040 yard tunnel which is 80 feet below ground at its deepest point. The last train scuttled through on 6th January 1958.

Northern portal

Brace yourself





Southern portal

Thanks for looking.
Last edited:


28DL Regular User
Regular User
Great photos Matt, good to see that you are still poking around:thumb
Cheers Paul.

Still poking alright but sometimes it feels like trying to find the end of the proverbial rainbow !

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